#AA6633
Closest named color: Earth (#A2653E). oklch(57.6% 0.11 55.2), rgb(170, 102, 51).
Aa
Black text reads best on this color (4.65:1).
About this color
#AA6633 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.110 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.018 away. Black text reads best on it, at 4.65:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #AA6633 |
| RGB | rgb(170, 102, 51) |
| HSL | hsl(26, 54%, 43%) |
| OKLCH | oklch(57.6% 0.11 55.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #AA6633 | 4.50:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #AA6633 | 4.65:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #AA6633 text on white | 4.50:1 | AA | Lc 71.0 | Content text, not long reading |
| #AA6633 text on black | 4.65:1 | AA | Lc -30.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C8
oklch(88.5% 0.028 56.7)
-
Step 300
300
#DBB9A3
oklch(81% 0.05 54.8)
-
Step 400
400
#C79471
oklch(70.7% 0.078 55.5)
-
Step 500
500
#B8784B
oklch(63% 0.101 54.9)
-
Step 600
600 (this color)
#AA6633
oklch(57.6% 0.11 55.2)
-
Step 700
700
#8C4F1F
oklch(49.1% 0.102 55.2)
-
Step 800
800
#72411C
oklch(42.7% 0.085 54.9)
-
Step 900
900
#5C371D
oklch(37.6% 0.066 54.3)
-
Step 950
950
#362112
oklch(27.1% 0.041 55.6)
#AA6633 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7A6D2E | 0.086 |
| Deuteranopia (no green cones) | #8A7D33 | 0.079 |
| Tritanopia (no blue cones) | #BA585B | 0.074 |
| Achromatopsia (no color) | #777777 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA6633
#AA6633
oklch(57.6% 0.11 55.2)
- #2482B0
#2482B0
oklch(57.5% 0.11 235.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AA6633, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.018
- Copper #B66325 ΔE 0.023
- Orangey Brown #B16002 ΔE 0.027
- Umber #B26400 ΔE 0.028
- Raw Umber #A75E09 ΔE 0.029
- Clay Brown #B2713D ΔE 0.032
- Leather #AC7434 ΔE 0.036
- Brown Orange #B96902 ΔE 0.039
Use #AA6633 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.